mirror of
https://github.com/GrapheneOS/hardened_malloc.git
synced 2025-10-27 22:46:32 +01:00
103 lines
3.6 KiB
Makefile
103 lines
3.6 KiB
Makefile
CONFIG_NATIVE := true
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CONFIG_CXX_ALLOCATOR := true
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CONFIG_UBSAN := false
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CONFIG_SEAL_METADATA := false
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CONFIG_ZERO_ON_FREE := true
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CONFIG_WRITE_AFTER_FREE_CHECK := true
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CONFIG_SLOT_RANDOMIZE := true
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CONFIG_SLAB_CANARY := true
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CONFIG_SLAB_QUARANTINE_RANDOM_LENGTH := 1
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CONFIG_SLAB_QUARANTINE_QUEUE_LENGTH := 1
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CONFIG_GUARD_SLABS_INTERVAL := 1
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CONFIG_GUARD_SIZE_DIVISOR := 2
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CONFIG_REGION_QUARANTINE_RANDOM_LENGTH := 128
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CONFIG_REGION_QUARANTINE_QUEUE_LENGTH := 1024
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CONFIG_REGION_QUARANTINE_SKIP_THRESHOLD := 33554432 # 32MiB
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CONFIG_FREE_SLABS_QUARANTINE_RANDOM_LENGTH := 32
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CONFIG_CLASS_REGION_SIZE := 137438953472 # 128GiB
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CONFIG_N_ARENA = 1
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define safe_flag
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$(shell $(CC) -E $1 - </dev/null >/dev/null 2>&1 && echo $1 || echo $2)
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endef
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CPPFLAGS := -D_GNU_SOURCE
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SHARED_FLAGS := -O3 -flto -fPIC -fvisibility=hidden -fno-plt -pipe -Wall -Wextra $(call safe_flag,-Wcast-align=strict) -Wcast-qual -Wwrite-strings
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ifeq ($(CONFIG_NATIVE),true)
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SHARED_FLAGS += -march=native
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endif
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CFLAGS := -std=c11 $(SHARED_FLAGS) -Wmissing-prototypes
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CXXFLAGS := $(call safe_flag,-std=c++17,-std=c++14) $(SHARED_FLAGS)
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LDFLAGS := -Wl,--as-needed,-z,defs,-z,relro,-z,now,-z,nodlopen,-z,text
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TIDY_CHECKS := -checks=bugprone-*,-bugprone-macro-parentheses,cert-*,clang-analyzer-*,readability-*,-readability-inconsistent-declaration-parameter-name,-readability-named-parameter
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SOURCES := chacha.c h_malloc.c memory.c pages.c random.c util.c
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OBJECTS := $(SOURCES:.c=.o)
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ifeq ($(CONFIG_CXX_ALLOCATOR),true)
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LDLIBS += -lstdc++
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SOURCES += new.cc
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OBJECTS += new.o
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endif
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ifeq ($(CONFIG_UBSAN),true)
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CFLAGS += -fsanitize=undefined
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CXXFLAGS += -fsanitize=undefined
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endif
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ifeq ($(CONFIG_SEAL_METADATA),true)
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CPPFLAGS += -DCONFIG_SEAL_METADATA
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endif
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ifeq (,$(filter $(CONFIG_ZERO_ON_FREE),true false))
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$(error CONFIG_ZERO_ON_FREE must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_WRITE_AFTER_FREE_CHECK),true false))
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$(error CONFIG_WRITE_AFTER_FREE_CHECK must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_SLOT_RANDOMIZE),true false))
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$(error CONFIG_SLOT_RANDOMIZE must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_SLAB_CANARY),true false))
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$(error CONFIG_SLAB_CANARY must be true or false)
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endif
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CPPFLAGS += \
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-DZERO_ON_FREE=$(CONFIG_ZERO_ON_FREE) \
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-DWRITE_AFTER_FREE_CHECK=$(CONFIG_WRITE_AFTER_FREE_CHECK) \
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-DSLOT_RANDOMIZE=$(CONFIG_SLOT_RANDOMIZE) \
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-DSLAB_CANARY=$(CONFIG_SLAB_CANARY) \
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-DSLAB_QUARANTINE_RANDOM_LENGTH=$(CONFIG_SLAB_QUARANTINE_RANDOM_LENGTH) \
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-DSLAB_QUARANTINE_QUEUE_LENGTH=$(CONFIG_SLAB_QUARANTINE_QUEUE_LENGTH) \
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-DGUARD_SLABS_INTERVAL=$(CONFIG_GUARD_SLABS_INTERVAL) \
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-DGUARD_SIZE_DIVISOR=$(CONFIG_GUARD_SIZE_DIVISOR) \
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-DREGION_QUARANTINE_RANDOM_LENGTH=$(CONFIG_REGION_QUARANTINE_RANDOM_LENGTH) \
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-DREGION_QUARANTINE_QUEUE_LENGTH=$(CONFIG_REGION_QUARANTINE_QUEUE_LENGTH) \
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-DREGION_QUARANTINE_SKIP_THRESHOLD=$(CONFIG_REGION_QUARANTINE_SKIP_THRESHOLD) \
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-DFREE_SLABS_QUARANTINE_RANDOM_LENGTH=$(CONFIG_FREE_SLABS_QUARANTINE_RANDOM_LENGTH) \
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-DCONFIG_CLASS_REGION_SIZE=$(CONFIG_CLASS_REGION_SIZE) \
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-DN_ARENA=$(CONFIG_N_ARENA)
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libhardened_malloc.so: $(OBJECTS)
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$(CC) $(CFLAGS) $(LDFLAGS) -shared $^ $(LDLIBS) -o $@
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chacha.o: chacha.c chacha.h util.h
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h_malloc.o: h_malloc.c h_malloc.h mutex.h memory.h pages.h random.h util.h
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memory.o: memory.c memory.h util.h
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new.o: new.cc h_malloc.h util.h
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pages.o: pages.c pages.h memory.h util.h
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random.o: random.c random.h chacha.h util.h
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util.o: util.c util.h
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tidy:
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clang-tidy $(TIDY_CHECKS) $(SOURCES) -- $(CPPFLAGS)
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clean:
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rm -f libhardened_malloc.so $(OBJECTS)
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.PHONY: clean tidy
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